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T. O.'OUTLER. GRINDING MILL.

No. 10,476.- Patented'Jan. 31, 1854.

T. 0. CUTLER, or JERSEY CITY, NEW JERSEY.

QUARTZ-CRUSHER.

Specification of Letters Patent No. 10,476, dated January 31, 1854.

T00 whom it may concern Be it known that I, T. O. CUTLER, of J erseyCity, in the county of Hudson and State of New Jersey, have invented anew and Improved Mill for Grinding Quartz, Ores, Medicines, &c.; and Ido hereby declare that the following is av full, clear, and exact de'scription of the construction and operation of the same, reference beinghad to the annexed drawings, making a part of this specido not fittlghtly' within the recesses in thefication, in which Figure 1, is aside view of the mill, in; elevation. Fig. 2, is a top view or plan ofthe same. Fig. 3, is a vertical section of the The hol- 5 p i shaft, G,which encompasses the shaft, B;

basin, taken through the center. low shaft of the disk is also bisected.

Similar letters of reference indicate corf responding parts in each ofthe several figaxis when combined with, and acting against the innerperiphery of a shell or concave 'which rotates on a common axis with theballs, which shell orconcave contains the substance to be ground, &c.,which by the centrifugal action due to the rotation of the shell orconcave is properly distributed and held in the gutter like concavity ofthe shell to be acted upon by the balls in their passage.

To enable others skilled in the art to make and use my invention, I willproceed to describe its construction and operation.

A, represents a basin, having a curved side or rim, (a), and attached toa shaft, B, which passes through the center of the basin; said shaftbeing stepped at, (5), see Fig. 3, and having a suitable bearing at itsupper end. On the upper part of the shaft, B, there is a pulley, C,around which a rope or belt passes; said belt also passing around adriving pulley or drum, D. Motion mayv be communicated to the basin inthis or any other proper manner. At the center of the bottom of thebasin, there is an opening or outlet, E, which may be formed of a'seriesof small holes or apertures; or the outlet may be a single largeopening, and covered with wire cloth; or it may consist of a series.

of slots; whichever way experience may dietate as being best.

'F, is a circulardisk, placed within the 3 basin, A, and resting upon aprojection or boss, (41), on the shaft, B, see Fig. 3. The perlphery ofthis disk has a-series of semicircular recesses, (0), cut in it, in twoof which are placed balls, ((5), (d) two balls are represented, but anyproper number may be used; ifnecessary, a ball may be placed in everyrecess. The balls, when fitted in'the recesses, also fit in the curvedrim or side, (a), of the basin, A; seev Fig. 3. .The balls periphery ofthe. disk, but are allowed play sufliclent to overcome the resistanceofiered by larger sized objects.

-. The disk, F, :is provided with a hollow as seen in Fig. 3. The shaft,G, has a pulley, H, on its upper'part, around which pulley a cross ropeor belt passes; said rope'or belt also passing around the driving pulleyor drum, D, as seenin Figs. 1 and 2. I

As the rope or belt of the basin is straight, and the rope or belt ofthe disk crosses, and both belts pass around the same drum or pulley, D,it, follows, of course, that the basin so j and diskwill have reversemotions, as indicated by the arrows in Fig. 2.

I do. not confine myself to any particular mode of communicating motionto the basin V r n and disk, as there are various ways of doing this.Gearing, in certain cases, would probably be preferable to belts.

I, is a hopper, attached to the upper part of the basin; as seen inFigs. 1, and

Operation: This will be readily seen. The article to be ground is fed,intothe basin, A, through the hopper, I; motion. having been previouslycommunicated to the disk and basin. ground, of course, falls upon thedisk, F, which, by its rotation, throws said article directly into thepath of the balls, (01), (d), or into the concave of the rim, (a). TheyThe article to be basin, by its rotation, keeps the article *infT- theconcave; and as the disk, F, and con sequently the balls, (d), (d),rotate in a different direction to the basin, A, it will be seen thatthe balls must pass rapidly,

crush it, in an expeditious and perfect manner.

ground should be thrown out of the concave or path of the balls, theywould touch upon the disk, F, and be thrown immediately back intotheconcave, asparticles imper fectly ground possess suflicient weight to beunder the influence of centrifugal force generated by the rotation ofthe basin and disk.

The disk, F, merely givesmotion to the balls, which, bycentrifugalforce, bind or press against the curved rim or side, (a), ofthe basin, with a power proportionate to their weight and velocity. Thearticle to be ground, as fast asit is reducedtoa powder by the balls, iscarried through the" opening or outlet, E, at the center of the bottomof the basin, by means of a small stream of wateror current of airintroduced into the hopper, I, and passing through the outlet, E; saidstream of water or current of air being sufficiently great to carry withit the powder, but not sufficiently strong to carry through coarseparticles or those not sufiiciently ground. The discharge may be able. VV

I am aware that substances have been ground, &c., by means of ballsacting in a basin or cylinder, but in such cases the balls have beenmade to act by gravity, but I am not aware that in any machine knownprior to my invention the material to be ground, &c., has been properlydistributed and held against the inner periphery of a shell or concaveextending around the path of the balls by centrifugal actionimparte'd bythe rotation of'the shell itself-,and acted upon by the centrifugalaction of balls revolving about a common axis and rolling against theperiphery of the said shell.

hat I claim therefor as my invention and desire to secure by LettersPatent is-- The employment of balls to act by centrifugal action due totheir rotation about a common center, substantially as specified, whenthe said balls are combined and act against the inner periphery of a.shell or concave which rotates on; a common axis with the balls andwhichby reason of its rotation distributes and holds the material to beground, &c.,' in the. concavity of the said shell, substantially asspecified. T. O. CUTLER.

Witnesses:

SLHQWALEs, IJ- F. COHEN.

